自适应滤波器的设计与实现

STM #errordata+9,ERRORDATA STM #referdata+9,REFERDATA STM #filter+15,AR1 STM #DATA_SIZE-10-1,BRC RPTB lmsfilter_end SUB B,B RPT #9

LMS *INPUTDATA+,*FILTER+ STH B,*AR1 SUB B,B LD *AR1,B

STL B,*OUTPUTDATA+ SUB *BREFERDATA+,B STL B,*ERRORDATA MPY *ERRORDATA+,#delta,B STH B,*AR1 SUB B,B LD *AR1,B STL B,*AR1 MPY *AR1,#one,B PSHM RSA PSHM REA PSHM BRC

LD *INPUTDATA-,A LD *FILTER-,A STM #9,BRC RPTB circle_end SUB A,A

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LD B,A

MPY *INPUTDATA-,B STB B,*AR1 SUB B,B LD *AR1,B ADD *FILTER,B STL B,*FILTER- SUB B,B LD A,B NOP Circle_end: NOP NOP

STM #DATA_SIZE-10-1,BRC RPTB lmsfilter_end POPM BRC POPM REA POPM RSA NOP NOP

LD *INPUTDATA+,A LD *INPUTDATA+,A LD *FILTER+,A LD *REFERDATA,A NOP

Lmsfilter_end:RET

.end

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